[ci] Remove redundant leading slash in model paths

Author: orionpapadakis

.github/workflows/build-and-run.yml

@@ -177,14 +177,14 @@ jobs:
           cd ${{ github.workspace }}
           export PATH="$TORNADOVM_HOME/bin:$JAVA_HOME/bin:$PATH"
           ./llama-tornado --gpu --${{ matrix.backend.name }} \
-            --model /$MODELS_DIR/Phi-3-mini-4k-instruct-fp16.gguf \
+            --model $MODELS_DIR/Phi-3-mini-4k-instruct-fp16.gguf \
             --prompt "Say hello"
       - name: FP16 - Run Granite-3.2-2b-instruct-f16.gguf
         run: |
           cd ${{ github.workspace }}
           export PATH="$TORNADOVM_HOME/bin:$JAVA_HOME/bin:$PATH"
           ./llama-tornado --gpu --${{ matrix.backend.name }} \
-            --model /$MODELS_DIR/granite-3.2-2b-instruct-f16.gguf \
+            --model $MODELS_DIR/granite-3.2-2b-instruct-f16.gguf \
             --prompt "Say hello"
       - name: FP16 - Run Granite-4.0-1b-F16.gguf
         run: |